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Finding the Fourth Proportional to 225,360.48, 310,975.92 and 134,698.44

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Solution

The fourth proportional to 225,360.48, 310,975.92 and 134,698.44 is: 185,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,360.48 : 310,975.92 = 134,698.44 : x
  2. Step 2: Convert to fraction form
    225,360.48/310,975.92 = 134,698.44/x
  3. Step 3: Cross multiply
    225,360.48x = 310,975.92 × 134,698.44
  4. Step 4: Simplify right side
    225,360.48x = 41,887,971,301.56
  5. Step 5: Solve for x
    x = 41,887,971,301.56/225,360.48
  6. Step 6: Final answer
    x = 185,870.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.